We must beat the iron while it is hot , but we may polish 19it at leisure20.
打铁必须趁热，但是要磨光它则不妨从容。
The only thing that can make you wise is your own experience.
The best way to learn about poverty is to go out and talk to the poor themselves.
Mental processes are biological tools for survival.
国与国之间是平等的，人与人之间也是平等的，在人格与尊严上是没有贵贱之分的，上天对所有人都是一视同仁的，人生而平等是上天赋予每个人的不可被侵犯的权利。
All who joy would win must share it. Happiness was born a twin.
艺术是一种思考活着意味着什么的方式。